Just heard today if Galaxy S2 unable to update to Android 4.0 ICS. It happens once after Galaxy S2 owners having trouble updating with their device to Android Ice Cream Sandwich. The update to Android 4.0 has been released by Samsung at the end of the last month but looks like a lot of owners of Samsung galaxy S2 are not going well.
Some owners have been posted on Samsung’s forum to inform that they have been facing trouble to update Samsung Galaxy S2 to Android 4.0. The “unknown device” message is the main problem which reported by the users, it occurs once the Galaxy S2 connects to Kies on their PC in order to install the update. With this error message, the update was unable to process to next step.
Samsung as the Galaxy S2 manufacturer has already confirmed the problem but the community users have been provide the suggestion to fix the problem. You need to update your Samsung USB driver and Kies. The both update are needed in order to update Samsung Galaxy S2 to Android 4.0 ICS also you must have a fully-powered USB port.
Hopefully with those solutions above, you are now able to update your Samsung galaxy S2 to Android ICS. But we will post the update here once we receive more solutions to resolve the problem. However let us know if you have the solution to update Samsung galaxy S2 to Android 4.0 Ice Cream Sandwich.